D.C. United will open the 2014 MLS season March 8 against the Columbus Crew at RFK Stadium, the league announced Monday.

The campaign runs through Oct. 25, with each of the 19 clubs again playing 34 matches. MLS will take a two-week break in June during the group stages of the month-long World Cup in Brazil.

Coming off the worst season in club history, United will face Eastern Conference champion Sporting Kansas City three times (at home in May and October, away in August) and Western champion Real Salt Lake on the road in August.

United and archrival New York will meet in April and August at RFK and in September at Red Bull Arena.

NBC Sports Network will carry six DCU matches and ESPN2 one. The local TV package won’t be finalized for several months.

United will open training camp in late January in Washington before moving operations to Bradenton, Fla., and, in the final stretch of preseason, Charleston, S.C.

Teams will again play opponents from the other conference once. United’s Western foes at home are Dallas, Seattle, Chivas and Colorado. On the road, DCU will visit Los Angeles, Real Salt Lake, Portland, San Jose and Vancouver.

DCU SCHEDULE

March 8 Columbus Crew 7 p.m.

March 15 at Los Angeles Galaxy 10:30 p.m.

March 22 at Toronto FC TBD

March 29 Chicago Fire 4 p.m. NBC Sports Network

April 5 New England Revolution 7 p.m.

April 12 New York Red Bulls 2:30 p.m. NBC Sports Network

April 19 at Columbus Crew 7 p.m.

April 26 FC Dallas 7 p.m.

May 3 at Portland Timbers 10:30 p.m.

May 10 at Philadelphia Union TBD

May 17 Montreal Impact 7 p.m.

May 21 Houston Dynamo 7 p.m.

May 24 at New England Revolution 7:30 p.m.

May 31 Sporting Kansas City 7 p.m.

June 7 Columbus Crew 7 p.m.

June 11 at Montreal Impact TBD

June 28 Seattle Sounders FC 7 p.m.

July 5 at Toronto FC TBD

July 11 at San Jose Earthquakes 11 p.m. NBC Sports Network

July 20 Chivas USA 8 p.m. Univision Deportes

July 30 Toronto FC 7 p.m.

Aug. 3 at Houston Dynamo 8 p.m. Univision Deportes

Aug. 9 at RealSaltLake 10 p.m.

Aug. 17 Colorado Rapids 8 p.m. Univision Deportes

Aug. 23 at Sporting Kansas City 8:30 p.m.

Aug. 31 New York Red Bulls 2:30 p.m. NBC Sports Network

Sept. 6 at Vancouver Whitecaps TBD

Sept. 10 at New York Red Bulls 8 p.m. ESPN2

Sept. 20 at Chicago Fire TBD

Sept. 27 Philadelphia Union 3 p.m. NBC Sports Network

Oct. 3 Sporting Kansas City 8 p.m. NBC Sports Network

Oct. 12 at Houston Dynamo 3 p.m. UniMas

Oct. 18 Chicago Fire 7 p.m.

Oct. 25 at Montreal Impact TBD

Steven Goff is The Post’s soccer writer. His beats include D.C. United, MLS and the international game, as well as local college basketball.

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